Question: What are the unit of measurement which start with the letter visus
Paraphrase: What is the measuring unit that starts with the letter visus?
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q1790144 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'zettasecond')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: zettasecond, zettasecond